SKU: 91785968691

Holley HP Billet Fuel Pressure Regulator (HO12-842)

$173.25 $192.50
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Description

Holley HP Billet Fuel Pressure Regulator (HO12-842)HO12 842 REGULATOR BILLET 4. 5 9 PSI Adjustable 4. 5 To 9 PSI With Idle Bleed Suit Carburettor Application Part Number: HO12 842 Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061 T6 billet aluminium for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley

HO12-842 - REGULATOR BILLET 4.5-9 PSI

Adjustable 4.5 To 9 PSI With Idle Bleed Suit Carburettor Application

Part Number: HO12-842

Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminium for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12-842 fuel pressure regulator features 3/8" NPT in/out ports and a 3/8 NPT return port.
FEATURES:
Adjustable from 4.5-9 psi for precise fuel pressure adjustments
Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
Utilizes a idle bleed for precise control of idle pressure
Used in systems with a return line back to tank
Use with electric pumps only
One 3/8" NPT inlet, one 3/8" NPT outlet and one 3/8" NPT return (or bypass)
1/8" NPT gauge port
Comparable and interchangeable with popular Holley® 12-803BP regulator
Mounting bracket included

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91785968691

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4.1 ★★★★★
Based on 11 reviews
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Verified Purchase
Harley Smith
Waukegan, US
★★★★★ 5
Very good, helps with pcos acne and dark spots
I have pcos, so my acne and dark marks from acne can get pretty severe, in one use there was a visible change. It doesn't have an intense fragrance. It doesn't make my skin feel heavy, sticky, or greasy. My skin feels healthier and holds moisture better. It has a good amount of product in each container. I'd say its definitely got a good amount of value for the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
J
Verified Purchase
Jacqueline
Waukegan, US
★★★★★ 5
Good Molecule
I tried their one product once and it was very good, so when I saw the set range - I definitely had to get it. A great set introduction to this line of brand. It’s light, it works and the price bracket is friendly on your wallet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
V
Verified Purchase
veronique francis
New York, US
★★★★★ 5
Hydrated & Bright: My Good Molecules Review
​I recently overhauled my daily skincare routine with a full lineup from Good Molecules, and the results have been nothing short of wonderful. I've been consistently using their cleanser, toner, hyaluronic acid, Wakeup Eye Gel, and daily moisturizer, and my face has completely transformed. Overall, my skin feels incredibly soft, looks noticeably brighter, and stays perfectly moisturized all day long.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
D
Verified Purchase
Dazzmine Bailey
Los Angeles, US
★★★★★ 5
Good combo for the price
I have eczema which causes me to have very dry skin. I have been using this for 3 weeks and only had 1 breakout which I don’t think correlated. I did go in with extra moisturizer on top of the moisturizer that is included.
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Reviewed in the United States on March 23, 2026
E
Verified Purchase
Eschief Childs
Birmingham, US
★★★★★ 5
Great product
Love this product! I've always struggled with acne as a teen and even now that I'm 32. I've tried other products like the more expensive stuff but i see no results and with this I've had success and will continue to use!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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